منابع مشابه
Higgs properties and fourth generation leptons
It is possible that there are additional vectorlike generations where the quarks have mass terms that do not originate from weak symmetry breaking, but the leptons only get mass through weak symmetry breaking. We discuss the impact that the new leptons have on Higgs boson decay branching ratios and on the range of allowed Higgs masses in such a model (with a single new vectorlike generation). W...
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The generalization of the MSSM to the case of four chiral fermion generations (4GMSSM) can lead to significant changes in the phenomenology of the otherwise familiar Higgs sector. In most of the 3GMSSM parameter space, the lighter CP-even h is ∼ 115 − 125 GeV and mostly Standard Model-like while H,A,H are all relatively heavy. Furthermore, the ratio of Higgs vevs, tan β, is relatively unconstra...
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متن کاملFourth generation bound states
We investigate the spectrum and wave functions of q0q0 bound states for heavy fourth generation quarks (q0) that have a very small mixing with the three observed generations of standard model quarks. Such bound states come with different color, spin and flavor quantum numbers. Since the fourth generation Yukawa coupling, q0 , is large we include all perturbative corrections to the potential bet...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2011
ISSN: 1029-8479
DOI: 10.1007/jhep06(2011)054